CN218259723U

CN218259723U - Porous medicament smearing head

Info

Publication number: CN218259723U
Application number: CN202222539111.2U
Authority: CN
Inventors: 赵哲哲; 董芳芳; 郭震; 周徐亮
Original assignee: Hangzhou Chutai Biotechnology Co ltd
Current assignee: Zhejiang Curaway Medical Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-10
Anticipated expiration: 2032-09-26

Abstract

The utility model belongs to the technical field of medical appliance accessories and discloses a porous medicament smearing head, which comprises a body, wherein the body is hollow, one end of the body is a brush head end, the other end of the body is a connecting end, the connecting end is fixedly connected with a medicament container, and the medicament container is soft or hard; the liquid in the medicament container can enter the smearing head through the connecting end, the smearing head is provided with a porous structure, and the porous structure is arranged on the end face of the brush head end or on the end face of the brush head end and the side wall of the body. The utility model discloses a porous medicament daubs head has porous structure, and the siphon problem can be solved in porous structure's design for paint liquid can flow out naturally under the condition that does not need the extrusion, the velocity of flow is even incessant. And simultaneously, the utility model discloses a porous design mode is diversified, and different velocity of flow demands are satisfied in different number holes and the not aperture of equidimension, can adapt to the medicament container of multiple different materials and hardness.

Description

Porous medicament smearing head

Technical Field

The utility model belongs to the technical field of medical instrument accessory, especially, relate to a porous medicament daubs head.

Background

For liquid medicines or medical devices used for repairing skin wounds, smearing heads are needed to be used by matching tools. However, most of the coating heads on the market are of a single-hole type, and particularly for liquid medicine with high viscosity, the single-hole type brush head cannot enable the liquid to naturally flow out or continuously flow out due to the siphonage phenomenon, and the packaging container is generally required to be manually extruded. On one hand, the manual extrusion cannot ensure that the liquid can continuously and uniformly flow out, and the liquid cannot be uniformly coated, so that the recovery of the wound surface is not facilitated; on the other hand, the material of the liquid packaging container is required not to be too hard, and the thickness is also required not to be too thick, and some products needing water and oxygen resistance need to be packaged by thick and hard glass materials to avoid the water and oxygen from entering, and the packaging can not be well matched with the existing coating head for use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a porous medicament smearing head to solve the technical problems that the liquid of a single-hole brush head is difficult to flow out naturally and the flow velocity is uneven.

In order to achieve the above object, the specific technical solution of the utility model is as follows:

a porous medicament smearing head comprises a body, wherein the body is hollow, one end of the body is a brush head end, the other end of the body is a connecting end, the connecting end is fixedly connected with a medicament container, and the medicament container is soft or hard; the liquid in the medicament container can enter the smearing head through the connecting end, the smearing head is provided with a porous structure, and the porous structure is arranged on the end face of the brush head end or on the end face of the brush head end and the side wall of the body.

Further, the body is a soft body, and the body is made of a silica gel material.

Furthermore, the body is a hard body, and the body is made of PP/PE material.

Furthermore, the end face of the brush head end is a plane, an inclined plane or a circular plane, and the inclination angle of the inclined plane is within the range of 30-60 degrees.

Further, the porous structure is an open pore which can be seen by naked eyes, and the pore diameter of the open pore is 0.2-2mm.

Further, the porous structure is micropores invisible to naked eyes, and the pore size of the micropores is 20-200 mu m.

Further, the micropores are of a textile structure.

Furthermore, a single hole is formed in the end face of the brush head end, and a single hole is formed in the outer wall of the body.

Furthermore, a brush is arranged on the end face of the brush head end.

The utility model discloses a porous medicament daubs head has following advantage: the utility model discloses a porous medicament daubs head has porous structure, and the siphon problem can be solved in porous structure's design for paint liquid can flow out naturally under the condition that does not need the extrusion, the velocity of flow is even incessant. And simultaneously, the utility model discloses a porous design mode is diversified, and different velocity of flow demands are satisfied in different number holes and the not aperture of equidimension, can adapt to the medicament container of multiple different materials and hardness.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention;

fig. 2 is a plan view of embodiment 1 of the present invention;

fig. 3 is a schematic vertical sectional structure diagram of embodiment 1 of the present invention;

fig. 4 is a schematic cross-sectional structure of embodiment 1 of the present invention;

fig. 5 is a front view of embodiment 2 of the present invention;

fig. 6 is a plan view of embodiment 2 of the present invention;

fig. 7 is a cross-sectional view of embodiment 2 of the present invention;

fig. 8 is a side view of embodiment 3 of the present invention;

fig. 9 is a front view of embodiment 3 of the present invention;

fig. 10 is an overall view of embodiment 3 of the present invention;

fig. 11 is a microscopic scanning electron micrograph of the porous structure of example 3 of the present invention;

fig. 12 is an overall view of embodiment 4 of the present invention;

fig. 13 is a microscopic scanning electron micrograph of the porous structure of example 4 of the present invention;

the notation in the figure is: 1. a body; 11. brushing the head end; 12. a connecting end; 13. a brush; 14. a porous structure.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

The utility model discloses a porous medicament smearing head, which comprises a body 1, wherein the body 1 can be soft or hard, the inside of the body 1 is hollow, one end of the body 1 is a brush head end 11, the other end is a connecting end 12, the connecting end 12 is fixedly connected with a medicament container, and the medicament container is soft or hard; liquid in the medicament container may enter the applicator head through the connecting end 12. The end face of the brush head end 11 can be a plane, an inclined plane or a round surface, and the inclination angle of the inclined plane is within the range of 30-60 degrees, so that the smearing operation is facilitated. The applicator head has a porous structure 14, and the porous structure 14 is arranged on the end face of the head end 11 or on the end face of the head end 11 and the side wall of the body 1. The porous structure 14 may be open pores visible to the naked eye or micro pores not visible to the naked eye, or a combination of open and micro pores. The aperture of the open pores is 0.2-2mm, and the aperture of the micropores is 20-200 mu m.

The brush head end 11 may have a brush 13 on an end surface thereof.

The utility model discloses a porous medicament daubs the head and can be supporting with the medical packaging container of multiple material and thickness, can make its solution flow naturally after the container is opened, need not the user of service and to its extrusion, and solution flows in succession incessantly simultaneously, can make its even coating. The following examples are given by way of illustration.

Example 1:

as shown in fig. 1-4, the body 1 of the applicator head is soft, the body 1 can be made of silica gel, and the end surface of the brush head end 11 has a five-hole structure. The five holes are all open holes with the diameter of 0.2-2nm. The brush head end 11 has a brush 13 on its end face.

Example 2:

as shown in fig. 5-7, the body 1 of the applicator head is hard, and the body 1 may be made of PP/PE. The end face of the brush head end 11 and the outer wall of the body 1 have a single-hole structure. The single hole is an open hole. The single-hole structure on the body 1 can suck air, and the siphon problem is solved.

Example 3:

as shown in fig. 8-11, the body 1 of the applicator head is rigid, and the body 1 may be made of PP/PE. The end face of the brush head end 11 is an inclined plane with a porous structure 14, and the multiple holes are micropores with the diameter of 20-200 mu m. As shown in fig. 11, the micro-cells are of a woven structure.

Example 4:

as shown in fig. 12-13, the body 1 of the applicator head is rigid, and the body 1 may be made of PP/PE. The end face of the brush head end 11 is a round face, a porous structure 14 is arranged on the round face, and the multiple holes are micropores, as shown in fig. 13, the porous structure 14 is a sintered structure, and the pore size is 20-200 μm.

For the above examples, the coating heads selected in this experiment are all cyanoacrylate adhesives with a brush head diameter of 0.8cm and a length of 1cm and a used liquid medicine of 1mL and a viscosity of 100cp, the brush heads of the examples are tested correspondingly, and the average value is calculated after three parallel tests.

Outflow time: the liquid medicine is put into a package and then is inverted, and the time from the liquid medicine flowing down to the liquid medicine flowing out through the smearing head is recorded.

Outflow rate: the time after 1mL of the liquid medicine flows out through the smearing head is recorded, and the outflow rate is calculated.

Outflow rate (mL/s) = outflow volume/outflow time.

Outflow continuity: the flowing liquid medicine is smeared on the paper, and the liquid medicine flows out continuously and uninterruptedly.

Table 1 example applicator head verification data

It can be seen, the utility model discloses a porous medicament is scribbled and is smeared head and can flow liquid fast, and the velocity of flow is stable even, incessant, and the continuity is good.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A porous medicament smearing head comprises a body (1), wherein the body (1) is hollow, one end of the body (1) is a brush head end (11), the other end of the body is a connecting end (12), the connecting end (12) is fixedly connected with a medicament container, and the medicament container is soft or hard; the liquid in the medicament container can enter the smearing head through the connecting end (12), and the smearing head is characterized by being provided with a porous structure (14), wherein the porous structure (14) is arranged on the end face of the brush head end (11) or on the end face of the brush head end (11) and the side wall of the body (1).

2. The porous applicator head according to claim 1, wherein the body (1) is soft, said body (1) being of a silicone material.

3. The porous applicator head according to claim 1, wherein the body (1) is a hard body and the body (1) is of PP/PE material.

4. Porous medicament applicator head according to claim 1, wherein the end face of the brush head end (11) is a plane, a bevel or a circular face, the bevel having an angle of inclination in the range of 30-60 °.

5. Porous pharmaceutical application head according to claim 1, wherein said porous structure (14) is a macroscopic open pore having a pore size of 0.2-2mm.

6. Porous medicament application head according to claim 1, wherein the porous structure (14) is micro-pores invisible to the naked eye, the micro-pores having a pore size of 20-200 μm.

7. The porous medicament application head of claim 6, wherein the pores are of a woven structure.

8. Porous agent applicator head according to claim 1, wherein the brush head end (11) has a single hole on its end face and the body (1) has a single hole on its outer wall.

9. Porous medicament application head according to claim 1, wherein the brush head end (11) has a brush (13) on its end face.